merge .gitignore
This commit is contained in:
jalr
commit
df69ddca4b
6 changed files with 274 additions and 1 deletions
3
.dockerignore
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3
.dockerignore
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pladde.img
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initrd.gz
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vmlinuz
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5
.gitignore
vendored
5
.gitignore
vendored
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@ -1,3 +1,6 @@
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ansible/**/*.retry
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build
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bin
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build
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initrd.gz
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pladde.img
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vmlinuz
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13
Dockerfile
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13
Dockerfile
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FROM debian:stretch
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RUN apt-get update \
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&& apt-get -y install \
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initramfs-tools \
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linux-image-amd64 \
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aria2 \
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xxd
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COPY imagesync.sh /etc/initramfs-tools/scripts/local-premount/
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RUN echo 'RESUME=none' > /etc/initramfs-tools/conf.d/resume \
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&& mkinitramfs -o /tmp/initrd.gz $(find /boot -name 'vmlinuz-*' -printf '%f\n' | sed 's/^vmlinuz-//')
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3
build.sh
Executable file
3
build.sh
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#!/bin/sh
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docker build -t initramfs:debian .
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docker run --rm -v "$PWD:/artifacts" initramfs:debian sh -c 'cp /boot/vmlinuz-* /artifacts/vmlinuz && cp /tmp/initrd.gz /artifacts'
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227
imagesync.sh
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227
imagesync.sh
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#!/bin/sh
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case $1 in
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prereqs)
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##
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# GET EXECUTED WHEN BUILDING INITRAMFS
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#
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. /usr/share/initramfs-tools/hook-functions
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copy_exec /usr/bin/aria2c
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copy_exec /sbin/sfdisk
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copy_exec /sbin/mke2fs
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copy_exec /sbin/e2fsck
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copy_file cert /etc/ssl/certs/ca-certificates.crt
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exit 0
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;;
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esac
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##
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# FUNCTION DEFINITIONS
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##
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print_waiting() {
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echo -en "\033[36m${1}... \033[0m"
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}
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print_warning() {
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echo -e "\n\033[31mWARNING: ${1}\033[0m"
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}
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print_done() {
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echo -e "\033[32mdone.\033[0m"
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}
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error_fatal() {
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print_warning "$1; interrupting startup"
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while sleep 3600;do sleep 3600;done
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}
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##
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# SHOW BRANDING
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##
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echo -e '
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Starting
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""# #
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# mmm #mmm mmm m m m mm mmm
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# " # #" "# # " "m m" #" # #" "
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# m"""# # # """m #m# # # #
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"mm "mm"# ##m#" "mmm" "# # # "#mm"
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m"
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""
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https://gitlab.jalr.de/fablab/initramfs
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'
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##
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# READ CONFIGURATION PARAMETERS FROM KERNEL PARAMETERS
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##
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print_waiting "Reading configuration parameters"
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set -- $(cat /proc/cmdline)
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for x in "$@"; do
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case "$(echo $x | cut -d= -f1)" in
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disk)
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disk="$(echo $x | cut -d= -f2)"
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;;
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root)
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root="$(echo $x | cut -d= -f2)"
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;;
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partsize)
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partsize="$(echo $x | cut -d= -f2)"
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;;
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torrent)
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torrent="$(echo $x | cut -d= -f2)"
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;;
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qemu)
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qemu="$(echo $x | cut -d= -f2)"
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;;
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esac
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done
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# Check if mandatory parameters are missing
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if [ -z "$disk" ];then
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error_fatal "The disk parameter is missing"
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fi
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if [ -z "$root" ];then
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error_fatal "The root parameter is missing"
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fi
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if [ -z "$partsize" ];then
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error_fatal "The partsize parameter is missing"
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fi
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if [ -z "$torrent" ];then
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error_fatal "The torrent parameter is missing"
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fi
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print_done
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##
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# PARTITIONING OF DISK
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##
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size_part_1=$(($partsize * 1024 * 1024 / 512))
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parttable="label: dos
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label-id: 0xdeadbeef
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device: $disk
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unit: sectors
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$root : start= 2048, size= $size_part_1, type=83"
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readtable="$(sfdisk -d $disk)" # wtf? but it is needed
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print_waiting "Checking partition tables"
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if [ "$parttable" != "$readtable" ];then
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print_done
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print_waiting "Partition tables do not match; partitioning disk"
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rewrite_rootfs=true
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sfdisk -q $disk << PARTTABLE
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$parttable
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PARTTABLE
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print_done
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else
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print_done
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fi
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print_waiting "Checking root filesystem"
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e2fsck -y $root &> /dev/null
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fsck=$?
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if [ "$fsck" != 0 ] && [ "$fsck" != 1 ] || [ "$rewrite_rootfs" == "true" ];then
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print_done
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print_waiting "Creating root filesystem"
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mke2fs -q -F -t ext4 $root
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print_done
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else
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print_done
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fi
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##
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# TEMPORARY NETWORK CONFIG (only for qemu)
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##
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if ! [ -z "$qemu" ];then
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print_waiting "Setting up temporary network config"
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ip addr add 10.2.2.2/24 dev ens3
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ip link set ens3 up
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print_done
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else
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print_waiting "Setting up interfaces with DHCP"
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ipconfig all
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print_done
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fi
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##
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# MOUNT TEMPORARY ROOTFS
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##
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print_waiting "Mounting temporary root filesystem"
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mkdir -p /tmp_root
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mount -t ext4 $root /tmp_root
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cd /tmp_root
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print_done
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##
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# DOWNLOAD FS IMAGE
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##
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print_waiting "Downloading root filesystem image"
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# --allow-overwrite: do not rename the torrent file
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# --check-integrity: verify downloaded file and do not complain about missing controll file
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# --seed-time=0: do not wait until ratio 1, we seed when we’re booted
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# --summary-interval=0: do not show summary while downloading
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# --console-log-level=error: Only show errors
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# --download-result=hide: Do not show download results
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download=true
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while [ "$download" == true ];do
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aria2c \
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--allow-overwrite \
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--check-integrity \
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--seed-time=0 \
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--summary-interval=0 \
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--console-log-level=error \
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--download-result=hide \
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$torrent 2>&1 | grep -v 'DHT routing table'
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if [ $? == 0 ];then
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download=false
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else
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rm rootfs.tar.gz rootfs.torrent
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fi
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done
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print_done
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print_waiting "Comparing installed and remote image"
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if [ -f /tmp_root/.build_uuid ];then
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cd /tmp
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tar xzf /tmp_root/rootfs.tar.gz .build_uuid
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if [ "$(cat .build_uuid)" == "$(cat /tmp_root/.build_uuid)" ];then
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sync=false
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print_done
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else
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sync=true
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print_done
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print_waiting "Deleting old filesystem"
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cd /tmp_root
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rm -rf $(tar tzf rootfs.tar.gz|grep '^[^/]*/$' )
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cd /tmp
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print_done
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fi
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rm .build_uuid
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cd /tmp_root
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else
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sync=true
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print_done
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fi
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if [ "$sync" == "true" ];then
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print_waiting "Extracting root filesystem image"
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tar xzf rootfs.tar.gz
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print_done
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fi
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##
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# UNMOUNT TEMPORARY ROOTFS
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##
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print_waiting "Unmounting temporary root filesystem"
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cd /
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umount /tmp_root
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print_done
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24
qemu.sh
Executable file
24
qemu.sh
Executable file
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@ -0,0 +1,24 @@
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#!/bin/sh
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ifname_tap=taptstsync
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ifname_br=brtstsync
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[ -e pladde.img ] || qemu-img create pladde.img 4G
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sudo ip tuntap add dev $ifname_tap mode tap user $USER
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sudo brctl addbr $ifname_br
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sudo brctl addif $ifname_br $ifname_tap
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sudo ip addr add 10.2.2.1/24 dev brtstsync
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sudo ip link set taptstsync up
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sudo ip link set brtstsync up
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qemu-system-x86_64 \
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-kernel vmlinuz \
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-initrd initrd.gz \
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-drive format=raw,file=pladde.img \
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-append "disk=/dev/sda root=/dev/sda1 partsize=3072 torrent=http://10.2.2.1:8081/rootfs.torrent qemu quiet" \
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-curses \
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-enable-kvm \
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-m 1G \
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-net nic \
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-net tap,ifname=$ifname_tap,script=no,downscript=no
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